In the bicarbonate buffering system

CHEMISTRY · Multi-part · A Level · Chemistry · Acids and bases · Acids and bases

Problem

In the bicarbonate buffering system, consider the equilibrium HCO3−(aq)+H2O(l)⇌H3O+(aq)+CO32−(aq)\mathrm{HCO_3^{-}}(\text{aq}) + \mathrm{H_2O}(\text{l}) \rightleftharpoons \mathrm{H_3O^{+}}(\text{aq}) + \mathrm{CO_3^{2-}}(\text{aq}) For the forward direction of this reaction, identify each of the following and give a brief justification for every choice: (a) the Brønsted–Lowry acid (b) its conjugate base (c) the Brønsted–Lowry base (d) its conjugate acid

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